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ringdown

From Wiktionary, the free dictionary

English

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Etymology

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From ring +‎ down.

Noun

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ringdown (plural ringdowns)

  1. (astronomy) The stage in a black hole merging event where the gravitational wave amplitude reaches its peak.
  2. (telecommunications) A signal to a telephone operator that both rings a bell and allows a relay to drop.

Further reading

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Anagrams

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